K&F Concept 4" x 5.65" ND0.9 (3 Stops) Cinema Neutral Density Filter Matte Box Compatible Optical Glass 28-Multi Coated

The K&F Concept 4" x 5.65" ND0.9 (3 Stops) Cinema Neutral Density Filter is designed for professional videography and photography, compatible with leading matte box systems like Tilta and SmallRig. This square ND8 filter provides 3 stops (0.9) of light reduction, allowing precise control over shutter speed and aperture to prevent overexposure and achieve balanced image exposure.

Key Features:
* **Matte Box Compatibility:** Specifically designed for matte boxes (e.g., Tilta, SmallRig, Mini Matte Box, Filter Frame), allowing use with various focal length lenses.
* **Premium Optical Glass:** Crafted from imported, double-sided polished HD optical glass for exceptional clarity and image quality without color cast, ideal for 4K and 8K video capture.
* **Ultra-Low Reflectivity:** Features 0.2% ultra-low reflectivity to minimize lens reflection and vignetting, resulting in sharper images with enhanced contrast and detail.
* **28 Multi-Layer Coatings:** Both sides of the filter are treated with nanometer coatings, making it highly resistant to scratches, water, oil, and fingerprints for long-lasting performance.
* **Dimensions:** 4 inches x 5.65 inches (10.16 x 14.35 cm).